<template>
	<div class="login-container">
		<el-form
			ref="loginForm"
			:model="loginForm"
			:rules="loginRules"
			class="login-form"
			autocomplete="on"
			label-position="left"
		>
			<div class="title-container">
				<h3 class="title">Login Form</h3>
			</div>

			<el-form-item prop="username">
				<span class="svg-container">
					<svg-icon icon-class="user" />
				</span>
				<el-input
					ref="username"
					v-model="loginForm.username"
					placeholder="Username"
					name="username"
					type="text"
					tabindex="1"
					autocomplete="on"
				/>
			</el-form-item>

			<el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
				<el-form-item prop="password">
					<span class="svg-container">
						<svg-icon icon-class="password" />
					</span>
					<el-input
						:key="passwordType"
						ref="password"
						v-model="loginForm.password"
						:type="passwordType"
						placeholder="Password"
						name="password"
						tabindex="2"
						autocomplete="on"
						@keyup="checkCapslock"
						@blur="capsTooltip = false"
						@keyup.enter="handleLogin"
					/>
					<span class="show-pwd" @click="showPwd">
						<svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
					</span>
				</el-form-item>
			</el-tooltip>

			<el-button
				:loading="loading"
				type="primary"
				style="width:100%;margin-bottom:30px;"
				@click.prevent="handleLogin"
				>Login</el-button
			>

			<div style="position:relative">
				<div class="tips">
					<span>Username : admin</span>
					<span>Password : any</span>
				</div>
				<div class="tips">
					<span style="margin-right:18px;">Username : editor</span>
					<span>Password : any</span>
				</div>

				<el-button class="thirdparty-button" type="primary" @click="showDialog = true">
					Or connect with
				</el-button>
			</div>
		</el-form>

		<el-dialog title="Or connect with" v-model:visible="showDialog">
			Can not be simulated on local, so please combine you own business simulation! ! !
			<br />
			<br />
			<br />
			<social-sign />
		</el-dialog>
	</div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import SocialSign from './components/SocialSignin'

export default {
	name: 'Login',
	components: { SocialSign },
	data() {
		const validateUsername = (rule, value, callback) => {
			if (!validUsername(value)) {
				callback(new Error('Please enter the correct user name'))
			} else {
				callback()
			}
		}
		const validatePassword = (rule, value, callback) => {
			if (value.length < 6) {
				callback(new Error('The password can not be less than 6 digits'))
			} else {
				callback()
			}
		}
		return {
			loginForm: {
				username: 'admin',
				password: '111111'
			},
			loginRules: {
				username: [{ required: true, trigger: 'blur', validator: validateUsername }],
				password: [{ required: true, trigger: 'blur', validator: validatePassword }]
			},
			passwordType: 'password',
			capsTooltip: false,
			loading: false,
			showDialog: false,
			redirect: undefined,
			otherQuery: {}
		}
	},
	watch: {
		$route: {
			handler: function(route) {
				const query = route.query
				if (query) {
					this.redirect = query.redirect
					this.otherQuery = this.getOtherQuery(query)
				}
			},
			immediate: true
		}
	},
	created() {
		window.addEventListener('storage', this.afterQRScan)
	},
	mounted() {
		if (this.loginForm.username === '') {
			this.$refs.username.focus()
		} else if (this.loginForm.password === '') {
			this.$refs.password.focus()
		}
	},
	methods: {
		checkCapslock(e) {
			const { key } = e
			this.capsTooltip = key && key.length === 1 && key >= 'A' && key <= 'Z'
		},
		showPwd() {
			if (this.passwordType === 'password') {
				this.passwordType = ''
			} else {
				this.passwordType = 'password'
			}
			this.$nextTick(() => {
				this.$refs.password.focus()
			})
		},
		handleLogin() {
			this.$refs.loginForm.validate(valid => {
				if (valid) {
					this.loading = true
					this.$store
						.dispatch('user/login', this.loginForm)
						.then(() => {
							console.log(this.redirect)

							this.$router.push({ path: this.redirect || '/', query: this.otherQuery })
							this.loading = false
						})
						.catch(() => {
							this.loading = false
						})
				} else {
					console.log('error submit!!')
					return false
				}
			})
		},
		getOtherQuery(query) {
			return Object.keys(query).reduce((acc, cur) => {
				if (cur !== 'redirect') {
					acc[cur] = query[cur]
				}
				return acc
			}, {})
		}
		// afterQRScan() {
		//   if (e.key === 'x-admin-oauth-code') {
		//     const code = getQueryObject(e.newValue)
		//     const codeMap = {
		//       wechat: 'code',
		//       tencent: 'code'
		//     }
		//     const type = codeMap[this.auth_type]
		//     const codeName = code[type]
		//     if (codeName) {
		//       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
		//         this.$router.push({ path: this.redirect || '/' })
		//       })
		//     } else {
		//       alert('第三方登录失败')
		//     }
		//   }
		// }
	}
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
	.login-container .el-input input {
		color: $cursor;
	}
}

/* reset element-ui css */
.login-container {
	.el-input {
		display: inline-block;
		height: 47px;
		width: 85%;

		input {
			background: transparent;
			border: 0px;
			-webkit-appearance: none;
			border-radius: 0px;
			padding: 12px 5px 12px 15px;
			color: $light_gray;
			height: 47px;
			caret-color: $cursor;

			&:-webkit-autofill {
				box-shadow: 0 0 0px 1000px $bg inset !important;
				-webkit-text-fill-color: $cursor !important;
			}
		}
	}

	.el-form-item {
		border: 1px solid rgba(255, 255, 255, 0.1);
		background: rgba(0, 0, 0, 0.1);
		border-radius: 5px;
		color: #454545;
	}
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
	min-height: 100%;
	width: 100%;
	background-color: $bg;
	overflow: hidden;

	.login-form {
		position: relative;
		width: 520px;
		max-width: 100%;
		padding: 160px 35px 0;
		margin: 0 auto;
		overflow: hidden;
	}

	.tips {
		font-size: 14px;
		color: #fff;
		margin-bottom: 10px;

		span {
			&:first-of-type {
				margin-right: 16px;
			}
		}
	}

	.svg-container {
		padding: 6px 5px 6px 15px;
		color: $dark_gray;
		vertical-align: middle;
		width: 30px;
		display: inline-block;
	}

	.title-container {
		position: relative;

		.title {
			font-size: 26px;
			color: $light_gray;
			margin: 0px auto 40px auto;
			text-align: center;
			font-weight: bold;
		}
	}

	.show-pwd {
		position: absolute;
		right: 10px;
		top: 7px;
		font-size: 16px;
		color: $dark_gray;
		cursor: pointer;
		user-select: none;
	}

	.thirdparty-button {
		position: absolute;
		right: 0;
		bottom: 6px;
	}

	@media only screen and (max-width: 470px) {
		.thirdparty-button {
			display: none;
		}
	}
}
</style>
